Standalond Digital Video Recorder DVR NT-D8604DH-E(E3)
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 pc
- Supply Capability:
- 5000 pc/month
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Standalond Digital Video Recorder DVR NT-D8604DH-E(E3)
• Support 3G dialing,WIFI
• Support multiple web browsers
• 2 USB port to support mouse,backup,burn
and upgrade etc.
• More than 20 kinds of languages
• Operation:Embedded Linux
• Dual stream: Can be set up in each channel
• GUI:16-bit,Display split:1/4/8/9/16
• Image coding:H.264
• Video: 4ch D1 real time
• Video input:4XBNC,(1.0Vp-p,75Ω)
• Audio input:4×RCA
• Video output:1BNC,(1.0Vp-p,75Ω),1VGA,HDMI 1080P
- Q: What is the meaning of the high definition and standard definition of the surveillance camera?
- Camera is divided into ordinary camera (standard definition) and high-definition camera, standard definition camera is the physical resolution of 720P in a video format, 720P refers to the vertical resolution of the video to 720 lines progressive scan, the current standard definition In about 400 lines.
- Q: Monitor camera parameters how to see
- Aperture: the aperture installed in the back of the lens, the greater the aperture open, the greater the amount of light through the lens, the higher the clarity of the image; the smaller the aperture, the smaller the amount of light through the lens, the image clarity low. Usually with F (luminous flux) to represent. F = focal length (f) / light aperture. In the camera's technical indicators, we can often see 6mm / F1.4 such parameters, which indicates that the focal length of the lens is 6mm, luminous flux of 1.4, then we can easily calculate the aperture of 4.29mm. In the case of the same focal length f, F value is smaller, the greater the aperture, reach the CCD chip, the greater the luminous flux, the better the lens.
- Q: Monitor the camera when shooting white, is the kind of white, basically do not see the image, and exposure like
- Your camera should be the kind of fixed focus is not adjustable I can clearly tell you that your CCD chip problems Warranty bar as long as no burn is to free repair
- Q: Monitor the camera infrared light does not shine what is the reason
- Insufficient power supply Infrared light can not be activated (the screen will be black stripes)
- Q: How to choose to monitor the camera and video capture card?
- Second, the installation of monitoring equipment needs to be sure to install several cameras and determine the monitoring range and image quality of each camera. First determine the number of cameras to monitor, and then according to the specific circumstances to determine the camera lens monitoring range: the camera must be clear to the monitoring point of the distance and the need to monitor the area, as the clarity, Ai Wei technology that: analog monitoring system 700 lines Cameras, and network digital monitoring system, millions of high-definition camera prices are very cheap, can be selected according to actual needs.
- Q: Monitor the camera automatically zoom, electric zoom, manual zoom, zoom lens meaning and difference?
- In the surveillance camera, there is generally no automatic zoom, but there is auto focus, such functions generally appear in the integrated camera, the decoder sends a zoom signal to the camera, the camera to zoom work, zoom work is completed, then the image Is blurred, you need to focus, a lot of integrated camera with auto focus function, to complete this focus work. There are some high-end camera (mainly high-speed ball) with a trajectory function, which is set in advance camera rotation and zoom information, after this camera has been set in accordance with the set of good track non-stop tour, which can see Do automatic zoom.
- Q: 3.6mm and 6mm surveillance camera can see the screen angle is how much
- This depends on how much the face of the CCD friends, 1/3 is 71 degrees 1/4 is more than 51 degrees
- Q: Dahua monitor a single image upside down, the rest of the camera are good, how the matter, had been good!
- The camera back to security, Guangan Lei Ke security for you to answer
- Q: Monitor how much power the camera has
- The general camera is 5W (with infrared)
- Q: Monitor the camera lens focal length is what the situation according to the scope of the big focal point what the situation according to the clear
- The larger the focal length, the smaller the field of view, the larger the person in the picture, the clearer the detail.
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Standalond Digital Video Recorder DVR NT-D8604DH-E(E3)
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 pc
- Supply Capability:
- 5000 pc/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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